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<h1 class="entry-title">jQuery.isWindow()</h1>
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						所属分类：<span class="category"><a href="/category/utilities/">工具类</a></span>
<span class="pull-right">英文文档：<a href="https://api.jquery123.com/jQuery.isWindow/" target="_blank">jQuery.isWindow()</a></span>
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<article class="entry method" id="jQuery-isWindow1"><h2 class="section-title">
<span class="name">jQuery.isWindow( obj )</span><span class="returns">返回: <a href="/Types/#boolean">boolean</a></span>
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<p class="desc"><strong>描述: </strong>确定参数是否为一个window对象。</p>
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<span class="version-details">添加的版本: <a href="/category/version/1.4.3/">1.4.3</a></span>jQuery.isWindow( obj )</h4>
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<div><strong>obj</strong></div>
<div>类型: <a href="/Types/#PlainObject">PlainObject</a>
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<div>用于测试是否为一个window对象</div>
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<p>这个方法在jQuery很多地方用到，用来确定我们的操作是否为一个浏览器窗口操作。（如当前窗口或一个iframe）。</p>
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<section class="entry-examples" id="entry-examples"><header><h2 class="underline">例子:</h2></header><div class="entry-example" id="example-0">
<h4><span class="desc">判断传入的参数是否为 window。</span></h4>
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<pre><div class="container"><div class="line"><code><span class="doctype">&lt;!DOCTYPE html&gt;</span></code></div></div><div class="container"><div class="line"><code><span class="tag">&lt;<span class="title">html</span>&gt;</span></code></div></div><div class="container"><div class="line"><code><span class="tag">&lt;<span class="title">head</span>&gt;</span></code></div></div><div class="container"><div class="line"><code>  <span class="tag">&lt;<span class="title">script</span> <span class="attribute">src</span>=<span class="value">"https://code.jquery.com/jquery-latest.js"</span>&gt;</span><span class="javascript"></span><span class="tag">&lt;/<span class="title">script</span>&gt;</span></code></div></div><div class="container"><div class="line"><code><span class="tag">&lt;/<span class="title">head</span>&gt;</span></code></div></div><div class="container"><div class="line"><code><span class="tag">&lt;<span class="title">body</span>&gt;</span></code></div></div><div class="container"><div class="line"><code>  Is 'window' a window? <span class="tag">&lt;<span class="title">b</span>&gt;</span><span class="tag">&lt;/<span class="title">b</span>&gt;</span></code></div></div><div class="container"><div class="line"><code><span class="tag">&lt;<span class="title">script</span>&gt;</span><span class="javascript">$(<span class="string">"b"</span>).append( <span class="string">""</span> + $.isWindow(window) );</span><span class="tag">&lt;/<span class="title">script</span>&gt;</span></code></div></div><div class="container"><div class="line"><code> </code></div></div><div class="container"><div class="line"><code><span class="tag">&lt;/<span class="title">body</span>&gt;</span></code></div></div><div class="container"><div class="line"><code><span class="tag">&lt;/<span class="title">html</span>&gt;</span></code></div></div></pre>
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<h4>Demo:</h4>
<div class="demo code-demo"></div>
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